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/*****************************************************************************
* Copyright (c) 2013 CEA LIST.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* CEA LIST - Initial API and implementation
*****************************************************************************/
package org.eclipse.papyrus.cdo.internal.ui.actions;
import java.util.List;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.emf.cdo.CDOObject;
import org.eclipse.emf.cdo.common.id.CDOID;
import org.eclipse.emf.cdo.eresource.CDOResource;
import org.eclipse.emf.cdo.transaction.CDOTransaction;
import org.eclipse.emf.cdo.view.CDOView;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.osgi.util.NLS;
import org.eclipse.papyrus.cdo.internal.core.CDOUtils;
import org.eclipse.papyrus.cdo.internal.ui.editors.PapyrusCDOEditorInput;
import org.eclipse.papyrus.cdo.internal.ui.l10n.Messages;
import org.eclipse.papyrus.cdo.internal.ui.views.DIModel;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.ISharedImages;
import org.eclipse.ui.IWorkbenchCommandConstants;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchPart;
import com.google.common.collect.Lists;
/**
* This is the DeleteModelAction type. Enjoy.
*/
public class DeleteModelAction extends AsyncEditAction<DIModel> {
private final IWorkbenchPart part;
public DeleteModelAction(IWorkbenchPart part) {
super(DIModel.class, Messages.DeleteModelAction_0, ImageDescriptor.createFromImage(part.getSite().getWorkbenchWindow().getWorkbench().getSharedImages().getImage(ISharedImages.IMG_TOOL_DELETE)));
this.part = part;
setActionDefinitionId(IWorkbenchCommandConstants.EDIT_DELETE);
}
@Override
protected CDOView getView(DIModel selection) {
return selection.getResource().cdoView();
}
@Override
protected boolean gatherInput(DIModel selection) {
boolean result = false;
if (MessageDialog.openQuestion(part.getSite().getShell(), Messages.DeleteModelAction_1, NLS.bind(Messages.DeleteModelAction_2, selection.getName()))) {
IWorkbenchPage page = part.getSite().getPage();
URI uri = selection.getResource().getURI();
PapyrusCDOEditorInput input = new PapyrusCDOEditorInput(uri);
IEditorPart openEditor = page.findEditor(input);
if (openEditor != null) {
page.closeEditor(openEditor, false);
}
result = true;
}
return result;
}
@Override
protected void doRun(DIModel selection, CDOTransaction transaction, IProgressMonitor monitor) throws CoreException {
List<IStatus> failures = Lists.newArrayListWithExpectedSize(1);
for (Object next : selection.getChildren()) {
if (next instanceof CDOResource) {
// get the resource local to this transaction
CDOID oid = ((CDOResource) next).cdoID();
CDOResource toDelete = (CDOResource) transaction.getObject(oid);
if (toDelete != null) {
try {
toDelete.delete(null);
} catch (Exception e) {
failures.add(error("Failed to delete resource " + toDelete.getPath(), e)); //$NON-NLS-1$
}
}
}
}
if (!failures.isEmpty()) {
throw new CoreException(wrap(failures, "Errors occurred in deleting model.")); //$NON-NLS-1$
}
}
@Override
protected boolean updateSelection(IStructuredSelection selection) {
boolean result = super.updateSelection(selection);
if (result) {
// must also be able to modify the containing folder/resource
CDOObject toDelete = getSelectedCDOObject();
EObject container = toDelete.eContainer();
if (container != null) {
CDOObject cdoContainer = CDOUtils.getCDOObject(container);
result = (cdoContainer == null) || cdoContainer.cdoPermission().isWritable();
}
}
return result;
}
}
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